AUGUSTA, Maine, August 29, 2011, 5 p.m. — Central Maine Power Company (CMP) reports an estimated 135,000 customers without power as of 5 p.m. Outages from Hurricane Irene peaked at nearly 187,000 customer accounts around 9:00 Sunday night, and the company estimates that nearly 280,000 customers lost service at some point during the storm.

About CMP and Iberdrola USA: CMP, a subsidiary of Iberdrola USA, is Maine’s largest electricity transmission and distribution company, serving more than 600,000 customers. The company has been ranked #1 in customer satisfaction three times by J.D. Power and Associates. Iberdrola USA, a subsidiary of global energy leader Iberdrola, S.A., is an energy services and delivery company with more than 2.4 million customers in upstate New York and New England. We are a team of dedicated individuals working as one to deliver value to our customers, employees and shareholders. By providing outstanding customer service and exceptional reliability, while holding safety and the environment in high regard, we aspire to be a world-class energy company. For more information, visit www.cmpco.com and www.iberdrolausa.com.